<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>columnspan/rowspan (reference)</title>
    <style>
      mtd { padding: 0; }
    </style>
  </head>
  <body>
    <p>This test passes if you see a green square.</p>
    <math>
      <mtable>
        <mtr>
          <mtd>
            <mspace width="200px" depth="200px" style="background: green"/>
          </mtd>
        </mtr>
      </mtable>
    </math>
  </body>
</html>
